angularOscillatingDisplacementPointPatchVectorField.C

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#include "angularOscillatingDisplacementPointPatchVectorField.H"
#include "pointPatchFields.H"
#include "addToRunTimeSelectionTable.H"
#include "Time.H"
#include "polyMesh.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

angularOscillatingDisplacementPointPatchVectorField::
angularOscillatingDisplacementPointPatchVectorField
(
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF
)
:
    fixedValuePointPatchField<vector>(p, iF),
    axis_(Zero),
    origin_(Zero),
    angle0_(0.0),
    amplitude_(0.0),
    omega_(0.0),
    p0_(p.localPoints())
{}


angularOscillatingDisplacementPointPatchVectorField::
angularOscillatingDisplacementPointPatchVectorField
(
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const dictionary& dict
)
:
    fixedValuePointPatchField<vector>(p, iF, dict),
    axis_(dict.lookup("axis")),
    origin_(dict.lookup("origin")),
    angle0_(dict.lookup<scalar>("angle0")),
    amplitude_(dict.lookup<scalar>("amplitude")),
    omega_(dict.lookup<scalar>("omega"))
{
    if (!dict.found("value"))
    {
        updateCoeffs();
    }

    if (dict.found("p0"))
    {
        p0_ = vectorField("p0", dict , p.size());
    }
    else
    {
        p0_ = p.localPoints();
    }
}


angularOscillatingDisplacementPointPatchVectorField::
angularOscillatingDisplacementPointPatchVectorField
(
    const angularOscillatingDisplacementPointPatchVectorField& ptf,
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const pointPatchFieldMapper& mapper
)
:
    fixedValuePointPatchField<vector>(ptf, p, iF, mapper),
    axis_(ptf.axis_),
    origin_(ptf.origin_),
    angle0_(ptf.angle0_),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(mapper(ptf.p0_))
{}


angularOscillatingDisplacementPointPatchVectorField::
angularOscillatingDisplacementPointPatchVectorField
(
    const angularOscillatingDisplacementPointPatchVectorField& ptf,
    const DimensionedField<vector, pointMesh>& iF
)
:
    fixedValuePointPatchField<vector>(ptf, iF),
    axis_(ptf.axis_),
    origin_(ptf.origin_),
    angle0_(ptf.angle0_),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(ptf.p0_)
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void angularOscillatingDisplacementPointPatchVectorField::autoMap
(
    const pointPatchFieldMapper& m
)
{
    fixedValuePointPatchField<vector>::autoMap(m);

    m(p0_, p0_);
}


void angularOscillatingDisplacementPointPatchVectorField::rmap
(
    const pointPatchField<vector>& ptf,
    const labelList& addr
)
{
    const angularOscillatingDisplacementPointPatchVectorField& aODptf =
        refCast<const angularOscillatingDisplacementPointPatchVectorField>(ptf);

    fixedValuePointPatchField<vector>::rmap(aODptf, addr);

    p0_.rmap(aODptf.p0_, addr);
}


void angularOscillatingDisplacementPointPatchVectorField::reset
(
    const pointPatchField<vector>& ptf
)
{
    const angularOscillatingDisplacementPointPatchVectorField& aODptf =
        refCast<const angularOscillatingDisplacementPointPatchVectorField>(ptf);

    fixedValuePointPatchField<vector>::reset(aODptf);

    p0_.reset(aODptf.p0_);
}


void angularOscillatingDisplacementPointPatchVectorField::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }

    const polyMesh& mesh = this->internalField().mesh()();
    const Time& t = mesh.time();

    scalar angle = angle0_ + amplitude_*sin(omega_*t.value());
    vector axisHat = axis_/mag(axis_);
    vectorField p0Rel(p0_ - origin_);

    vectorField::operator=
    (
        p0Rel*(cos(angle) - 1)
      + (axisHat ^ p0Rel*sin(angle))
      + (axisHat & p0Rel)*(1 - cos(angle))*axisHat
    );

    fixedValuePointPatchField<vector>::updateCoeffs();
}


void angularOscillatingDisplacementPointPatchVectorField::write
(
    Ostream& os
) const
{
    pointPatchField<vector>::write(os);
    writeEntry(os, "axis", axis_);
    writeEntry(os, "origin", origin_);
    writeEntry(os, "angle0", angle0_);
    writeEntry(os, "amplitude", amplitude_);
    writeEntry(os, "omega", omega_);
    writeEntry(os, "p0", p0_);
    writeEntry(os, "value", *this);
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

makePointPatchTypeField
(
    pointPatchVectorField,
    angularOscillatingDisplacementPointPatchVectorField
);

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// ************************************************************************* //